During the early 1800s, wood bison numbers were estimated at 168,000, but by the late 1800s, the subspecies was nearly eliminated.
Excessive hunting was the primary factor leading to population decline. Another factor that is thought to have played...
Nearly all threatened Spectacled eiders spend the winter in a small area of ocean and sea ice south of St. Lawrence Island in the Bering Sea. This picture shows tens of thousands of spectacled eiders roosting in an open lead of the ice pack,...
"On 6/25/10, Bon Secour National Wildlife Refuge Wildlife Biologist Jackie Isaacs explained the importance of habitat for foraging shorebirds and pointed out proactive measures taken by refuge staff soon after the spill began. Across Ivan Cut,...
Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna.
The original presettlement...
Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna.
The original presettlement...
Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna.
The original presettlement...
Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna.
The original presettlement...
Pine savannas are open, nearly treeless, fire-dependent plant communities dominated by well-developed ground cover and some low-growing shrubs with only scattered trees. The refuge is approx. 5216 acres pine savanna.
The original presettlement...
First recorded on the Lewis and Clark expedition (1803-1806), the Western tanager prefers open forested areas at low elevations. The male has a vivid colored red head, bright yellow body with striking black wings and tail.
Female student with open tree identification book looking at tree leaves to identify species; taken during National Park Service Junior Rangers Ambassador Training workshop.
